| English | eng-000 | optometry |
| Cymraeg | cym-000 | optometrydd |
| Cymraeg | cym-000 | optometryddion |
| català | cat-000 | optomiòmetre |
| English | eng-000 | optomotor |
| English | eng-000 | optomotor reaction |
| English | eng-000 | optomotor reflex |
| English | eng-000 | optomotor response |
| English | eng-000 | optomyometer |
| English | eng-000 | opton |
| yidish | ydd-001 | opton |
| dansk | dan-000 | Opton, fra hvid |
| dansk | dan-000 | Opton, fra sort |
| Birhor | biy-000 | optōng |
| dansk | dan-000 | Opton og udton |
| English | eng-000 | Opton scanner file |
| Nuo su | iii-001 | op top |
| Nuo su | iii-001 | op top hmyp top |
| English | eng-000 | optophon |
| English | eng-000 | optophone |
| TechTarget file types | art-336 | OPT-Optimize-support-file-QEMM |
| Nederlands | nld-000 | optornen tegen |
| Hellēnikḗ | grc-001 | o’ptos |
| English | eng-000 | optoscale |
| English | eng-000 | optoscanner |
| English | eng-000 | opto-sensor |
| English | eng-000 | optostriate |
| English | eng-000 | optostrotum |
| Plattdüütsch | nds-000 | op to stüürn |
| Central Bontok | lbk-000 | optót |
| English | eng-000 | opto table |
| italiano | ita-000 | opto tagliano |
| English | eng-000 | optothermal |
| English | eng-000 | optothermal detector |
| English | eng-000 | opto-thermodynamics |
| Deutsch | deu-000 | Optothyristor |
| català | cat-000 | optotip |
| English | eng-000 | optotransistor |
| Deutsch | deu-000 | Opto-Triac |
| Deutsch | deu-000 | Optotronik |
| čeština | ces-000 | optotyp |
| English | eng-000 | optotype |
| English | eng-000 | optotypes |
| English | eng-000 | optotypic |
| English | eng-000 | opto upgrade |
| Nederlands | nld-000 | op tournee gaan |
| English | eng-000 | opt out |
| English | eng-000 | opt-out |
| Nederlands | nld-000 | opt-out |
| English | eng-000 | opt-out clause |
| English | eng-000 | opt-out from |
| Universal Networking Language | art-253 | opt_out(icl>avoid>do,agt>person,obj>thing) |
| Universal Networking Language | art-253 | opt_out(icl>choose>do,agt>volitional_thing,obj>thing) |
| Deutsch | deu-000 | Opt-out-Klausel |
| English | eng-000 | opt-out list |
| English | eng-000 | opt-out marketing |
| italiano | ita-000 | Opt-out nell’Unione europea |
| English | eng-000 | opt-out-of |
| Universal Networking Language | art-253 | opt out of(icl>choose) |
| English | eng-000 | opt-out register |
| English | eng-000 | opt-out screening |
| English | eng-000 | Opt-outs in the European Union |
| português | por-000 | Opt-outs na União Europeia |
| magyar | hun-000 | opt-out záradék |
| čeština | ces-000 | optovat |
| slovenčina | slk-000 | optovať |
| čeština | ces-000 | optovat pro |
| Deutsch | deu-000 | Optoverstärker |
| English | eng-000 | optovoltaic effect |
| polski | pol-000 | optować |
| Birhor | biy-000 | optoŋ |
| Limburgs | lim-000 | optraeje |
| dansk | dan-000 | optrappe |
| Afrikaans | afr-000 | optrede |
| Nederlands | nld-000 | optreden |
| Nederlands | nld-000 | optreden als |
| Afrikaans | afr-000 | optree |
| Afrikaans | afr-000 | optrek |
| dansk | dan-000 | op-trekant |
| Nederlands | nld-000 | optrekje |
| Limburgs | lim-000 | optrèkke |
| Nederlands | nld-000 | optrekken |
| Nederlands | nld-000 | op trektocht gaan |
| yidish | ydd-001 | optretn |
| English | eng-000 | Optrex |
| dansk | dan-000 | optrin |
| dansk | dan-000 | optrin{et -} |
| bokmål | nob-000 | optrinn |
| suomi | fin-000 | OPTRINT |
| English | eng-000 | Optrint |
| Limburgs | lim-000 | optrómme |
| čeština | ces-000 | optron |
| English | eng-000 | optron |
| English | eng-000 | optronic |
| English | eng-000 | optronic chip |
| English | eng-000 | optronic data core |
| English | eng-000 | optronic integrator |
| English | eng-000 | optronic relay |
| English | eng-000 | optronics |
| español | spa-000 | optronics |
| Deutsch | deu-000 | Optronik |
| Türkçe | tur-000 | optronik |
| français | fra-000 | optronique |
| English | eng-000 | optron key |
| English | eng-000 | optron pair |
| dansk | dan-000 | optryk |
| dansk | dan-000 | optræde |
| dansk | dan-000 | optræden |
| dansk | dan-000 | optræk |
| dansk | dan-000 | optrævle |
| filename extensions | art-335 | opts |
| English | eng-000 | opts |
| eesti | ekk-000 | optsioon |
| română | ron-000 | optșpelea |
| română | ron-000 | optsprezece |
| română | ron-000 | optsprezecea |
| română | ron-000 | optsprezecelea |
| Frysk | fry-000 | op ’t stuit fan betsjutting |
| Fräiske Sproake | stq-000 | op ’t stuit fan betsjutting |
| română | ron-000 | opt sute |
| română | ron-000 | optsute |
| limba armãneascã | rup-000 | optu |
| yidish | ydd-001 | optu |
| Afrikaans | afr-000 | optuig |
| Nederlands | nld-000 | optuigen |
| Gaeilge | gle-000 | optúil |
| Limburgs | lim-000 | optujere |
| română | ron-000 | optulea |
| latine | lat-000 | optumas |
| Srpskohrvatski | hbs-001 | optundacija |
| Saxa tyla | sah-001 | optuorunɲuk |
| dansk | dan-000 | optur |
| Karahanlı Türkçesi | otk-001 | öptürmek |
| Türkçe | tur-000 | öptürmek |
| English | eng-000 | Optus |
| Uyghurche | uig-001 | optus xewerler shirkiti |
| Nederlands | nld-000 | optutten |
| bosanski | bos-000 | optuzba |
| hrvatski | hrv-000 | optuzba |
| Srpskohrvatski | hbs-001 | optužba |
| hrvatski | hrv-000 | optužba |
| srpski | srp-001 | optužba |
| hrvatski | hrv-000 | optužbe |
| hrvatski | hrv-000 | optužbeni govor |
| hrvatski | hrv-000 | optužbe pred sudom |
| hrvatski | hrv-000 | optužen |
| hrvatski | hrv-000 | optužena |
| bosanski | bos-000 | optuzeni |
| hrvatski | hrv-000 | optuzeni |
| hrvatski | hrv-000 | optuženi |
| srpski | srp-001 | optuženi |
| hrvatski | hrv-000 | optuženička klupa |
| srpski | srp-001 | optuženièka klupa |
| Srpskohrvatski | hbs-001 | optuženik |
| hrvatski | hrv-000 | optuženik |
| srpski | srp-001 | optuženik |
| Srpskohrvatski | hbs-001 | optužilac |
| hrvatski | hrv-000 | optužilački |
| bosanski | bos-000 | optuziti |
| hrvatski | hrv-000 | optuziti |
| Srpskohrvatski | hbs-001 | optužiti |
| hrvatski | hrv-000 | optužiti |
| srpski | srp-001 | optužiti |
| hrvatski | hrv-000 | optužiti javno |
| hrvatski | hrv-000 | optuživanje |
| srpski | srp-001 | optuživanje |
| hrvatski | hrv-000 | optuzivati |
| hrvatski | hrv-000 | optuživati |
| hrvatski | hrv-000 | optužni akt |
| Srpskohrvatski | hbs-001 | optužnica |
| hrvatski | hrv-000 | optužnica |
| srpski | srp-001 | optužnica |
| hrvatski | hrv-000 | optužujući |
| šöľqumyt әty | sel-001 | ōpty |
| Middle Cornish | cnx-000 | optycyan |
| Kernowek | cor-000 | optycyan |
| Old Cornish | oco-000 | optycyan |
| Middle Cornish | cnx-000 | optycyanes |
| Kernowek | cor-000 | optycyanes |
| Old Cornish | oco-000 | optycyanes |
| polski | pol-000 | optyczne rozpoznawanie znaków |
| polski | pol-000 | optycznie |
| polski | pol-000 | optycznie ostry |
| polski | pol-000 | optyczny |
| polski | pol-000 | optyczny nośnik danych |
| Afrikaans | afr-000 | op tyd |
| polski | pol-000 | optyk |
| polski | pol-000 | optyka |
| polski | pol-000 | optyka elektronowa |
| polski | pol-000 | optymalhy |
| polski | pol-000 | optymalizacja |
| polski | pol-000 | optymalizacja zdolności produkcyjnych |
| polski | pol-000 | optymalizator połysku |
| polski | pol-000 | optymalizować |
| polski | pol-000 | optymalnie |
| polski | pol-000 | optymalność |
| polski | pol-000 | optymalny |
| polski | pol-000 | optymista |
| polski | pol-000 | optymistka |
| English | eng-000 | Optymistychna Cave |
| polski | pol-000 | optymistycznie |
| polski | pol-000 | optymistyczny |
| Deutsch | deu-000 | Optymistytschna |
| polski | pol-000 | optymizacja |
| polski | pol-000 | optymizm |
| polski | pol-000 | optymizować |
| română | ron-000 | optzecea |
| română | ron-000 | optzeci |
| română | ron-000 | optzecilea |
| română | ron-000 | optzeci și cinci |
| română | ron-000 | optzeci și doi |
| română | ron-000 | optzeci și nouă |
| română | ron-000 | optzeci și opt |
| română | ron-000 | optzeci şi patru |
| română | ron-000 | optzeci și patru |
| română | ron-000 | optzeci și șapte |
| română | ron-000 | optzeci și șase |
| română | ron-000 | optzeci și trei |
| română | ron-000 | optzeci și unu |
| dansk | dan-000 | optæller |
| dansk | dan-000 | optælling |
| dansk | dan-000 | optænde |
| dansk | dan-000 | optændingsmand |
| dansk | dan-000 | optøjer |
| šöľqumyt әty | sel-001 | optɨ |
| šöľqumyt әty | sel-001 | optɨkɨtɨlʸ |
| ʻōlelo Hawaiʻi | haw-000 | 'opu |
| ʻōlelo Hawaiʻi | haw-000 | 'ōpū |
| English | eng-000 | OPU |
| español | spa-000 | OPU |
| Agarabi | agd-000 | opu |
| ʼAreʼare | alu-000 | opu |
| Saʼa | apb-000 | opu |
| Binandere | bhg-000 | opu |
| Kaliʼna | car-000 | opu |
| Luoxiang | cng-007 | opu |
| Weicheng | cng-009 | opu |
| Okanisi | djk-000 | opu |
| ʻōlelo Hawaiʻi | haw-000 | opu |
| Kalabari | ijn-000 | opu |
| Magobineng | kmg-002 | opu |
| Nankina | nnk-000 | opu |
| Opao | opo-000 | opu |
| Orokolo | oro-000 | opu |
| Luwu | pmf-003 | opu |
| Roro | rro-000 | opu |
| Salayar | sly-000 | opu |
| reo Tahiti | tah-000 | opu |
| Tairora | tbg-000 | opu |
| Keuro | xeu-000 | opu |
| Keoru-Ahia | xeu-001 | opu |
| ʻōlelo Hawaiʻi | haw-000 | opū |
| Ekari-Drabbe | ekg-001 | oːpu |
| Marind | mrz-000 | oːpu |
| Abé | aba-000 | òpu |
| Ịḅanị́ | iby-000 | òpù |
| Abé | aba-000 | òpú |
| ɔbule ɔyʋɛ | abu-000 | òpú |
| Amadi | msj-000 | òpú |
| Abé | aba-000 | òpū |
| ‘E‘o ‘Kenata | mrq-000 | ópu |
| ʻōlelo Hawaiʻi | haw-000 | ōpū |
| ʻōlelo Hawaiʻi | haw-000 | ʻopu |
| ‘E‘o ‘Kenata | mrq-000 | ʻopu |
| reo Tahiti | tah-000 | ʻopu |
| reo Tahiti | tah-000 | ʻopû |
| reo Tahiti | tah-000 | ʻôpû |
| reo Tahiti | tah-000 | ʻõpû |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpū |
| reo Tahiti | tah-000 | ʻōpū |
| Bunama | bdd-000 | ʼopu |
| Dobu | dob-000 | ʼopu |
| Gwa | gwa-000 | ṍpù |
| Sau | ssx-000 | opuä |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpua |
| العربية | arb-000 | Opua atherinoides |
| 普通话 | cmn-000 | Opua atherinoides |
| English | eng-000 | Opua atherinoides |
| français | fra-000 | Opua atherinoides |
| 日本語 | jpn-000 | Opua atherinoides |
| português | por-000 | Opua atherinoides |
| español | spa-000 | Opua atherinoides |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpua haʻaheo i ka lewa |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpū ahonui |
| ʻōlelo Hawaiʻi | haw-000 | ōpū ʻahuʻawa hānau |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpū ʻaiʻai |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpū ʻaki |
| Sau | ssx-000 | opualame |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpū aliʻi |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpua maka ʻupena |
| Lucumí | luq-000 | opuán |
| Nkoro | nkx-000 | opu ana*i* |
| Latina Nova | lat-003 | Opua nephodes |
| ʻōlelo Hawaiʻi | haw-000 | ōpū ao |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpū ʻāpikapika |